Motorized diverter valve
CA 2218206 A1 · Owner: Livernash, Robert A. · Inventors: Cooper, Robert J.; Gamez, Manuel; Livernash, Robert A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A motorized diverter valve having a rotatable valve member disposed in a valvingchamber in a multi-ported valve body. The valve member drives through the chamber cover a rotary cam member which actuates a plurality of position-indicating switches on a circuit board adjacent the cam and the cover. The motor speed reducer is mounted over the circuit board and drives the valve member. The cover for the cam motor and circuit, board is attached to the body and includes an electrical connection receptacle. Upon energization of the motor the valve is rotated to the desired position whereupon the cam opens one of the switches and stops the motor at the desired position for the desired valve outlet …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed November 4, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 4, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 4, 2019.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.